On Monday, May 1, 2017 at 9:31:55 PM UTC-4, Phil Allison wrote:
Prickman is a Liar wrote:


Phil Allison wrote:

** WD40 is excellent at making bad contacts good again.

Switches, connectors and pots are all examples.


Until you use it on one where the plastic bits dissolve and melt together.



** Massive LIE !!

WD40 does not harm plastics used to make electronic or electrical components.

That is the oldest and STUPIDEST crock of **** trotted out by WD40 haters.

The Prickman is a parroting MORON.



.... Phil



As much as I hate to agree with Phil, I believe he's right.

I've learned about unintended solvent welding of plastics with all kinds of spray elixirs, and I've also learned to test each one on soft plastics so I have an idea of what kind of consequences (if any) to expect upon usage.

WD40 has never shown any tendency to soften or otherwise affect plastics that I'm aware of. Is there a strange plastic formula that WD might affect that I've never encountered? Possibly, but I've never seen it, at least not at the level that plastic controls might be constructed of.

Maybe the "friend's" controls weren't solvent welded at all, but bound by the original hardened lubricant that was dissolved and rehardened later after being flushed into the shaft.